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<document id="BE5DCE96E75CFAAFF049C43C5E1FFDDA" ID-DOI="10.1080/00222930210155701" ID-ISSN="1464-5262" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629979948711" checkinUser="felipe" docAuthor="Cantero, A. L. Peña &amp; Vervoort, W." docDate="2003" docId="03FD87E371510914FE54FB01FE1CBA5A" docLanguage="en" docName="JNatHist.37.22.2653-2722.pdf" docOrigin="Journal of Natural History 37 (22)" docSource="http://dx.doi.org/10.1080/00222930210155701" docStyle="DocumentStyle:443144A73DAE3E092C51A378E4CD0138.2:JNatHist.2003-2004.journal_article.1cover" docStyleId="443144A73DAE3E092C51A378E4CD0138" docStyleName="JNatHist.2003-2004.journal_article.1cover" docStyleVersion="2" docTitle="Staurotheca nonscripta Pena Cantero, Svoboda and Vervoort 1997" docType="treatment" docVersion="2" lastPageNumber="2698" masterDocId="FFC4FF9B717D093AFFC2FFA7FFCEBE30" masterDocTitle="Species of Staurotheca Allman, 1888 (Cnidaria: Hydrozoa: Sertulariidae) from US Antarctic expeditions, with the description of three new species" masterLastPageNumber="2722" masterPageNumber="2653" pageNumber="2696" updateTime="1699133067467" updateUser="plazi" zenodo-license-document="CLOSED">
<mods:mods id="DE6A3353B5835D7EC04FB77DDA6F48B4" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="1B544B4FD00439878D6D78F59C959EC5">
<mods:title id="F3F84B274E460DC8C39F3494CCB8B23F">Species of Staurotheca Allman, 1888 (Cnidaria: Hydrozoa: Sertulariidae) from US Antarctic expeditions, with the description of three new species</mods:title>
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<mods:name id="3D4D68CEFB01ECF11D0E107C0DCC4968" type="personal">
<mods:role id="D158D10CC6092602D733E8D1A6A95E58">
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<mods:namePart id="C6480C119E7AF9914DAE4F96664E600A">Cantero, A. L. Peña</mods:namePart>
</mods:name>
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<mods:role id="5E6539A17640CB227C4B25D974463580">
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<mods:namePart id="46F64ED00670372954C1B65F4FD8994F">Vervoort, W.</mods:namePart>
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<mods:typeOfResource id="0E71B70041C3FED116144C884BDADBCF">text</mods:typeOfResource>
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<mods:title id="71EBE092F59F5460B6B9E1AF2BA13A78">Journal of Natural History</mods:title>
</mods:titleInfo>
<mods:part id="47A2DA0047274F374CE9FD256BA42F0D">
<mods:date id="2FF8A96D00B26A2A750C8CE4A672372A">2003</mods:date>
<mods:detail id="3E51EBF40F89597CCD1C4A3C481FE7A2" type="pubDate">
<mods:number id="91C2FB158B9684ED25BF1572294199A1">2003-11-30</mods:number>
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<mods:detail id="254C5C368CE5D3B238ECF3438E99BDD3" type="volume">
<mods:number id="A396289210F602AC729649B858FB42CF">37</mods:number>
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<mods:detail id="8821EFEBB20385F46C2180ACEF32CEFA" type="issue">
<mods:number id="4F50DE6B5B9C470A667594A228D0A247">22</mods:number>
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<mods:extent id="95B6BC8B792AA93DE1E99CD7A63B5098" unit="page">
<mods:start id="CE94B5F2542F1E1C6E68BFA58F5129A4">2653</mods:start>
<mods:end id="A871B29B79703BFEF17892A4A77F0F9D">2722</mods:end>
</mods:extent>
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<mods:classification id="77B4021512E73D3257D2732DCC505C58">journal article</mods:classification>
<mods:identifier id="206A8762285B7D4244519EAC2884D94B" type="DOI">10.1080/00222930210155701</mods:identifier>
<mods:identifier id="D64878F2221F1FB74BBF62AD770EB61E" type="ISSN">1464-5262</mods:identifier>
</mods:mods>
<treatment id="03FD87E371510914FE54FB01FE1CBA5A" LSID="urn:lsid:plazi:treatment:03FD87E371510914FE54FB01FE1CBA5A" httpUri="http://treatment.plazi.org/id/03FD87E371510914FE54FB01FE1CBA5A" lastPageId="46" lastPageNumber="2698" pageId="44" pageNumber="2696">
<subSubSection id="C34E657E71510916FE54FB01FC9FBAEF" pageId="44" pageNumber="2696" type="nomenclature">
<paragraph id="8BEB36F571510916FE54FB01FB59BA8F" blockId="44.[406,1175,1190,1215]" box="[406,1175,1190,1215]" pageId="44" pageNumber="2696">
<heading id="D0A3819971510916FE54FB01FB59BA8F" box="[406,1175,1190,1215]" centered="true" fontSize="10" level="2" pageId="44" pageNumber="2696" reason="3">
<taxonomicName id="4C544D7671510916FE54FB01FB59BA8F" authority="Pena Cantero, Svoboda and Vervoort, 1997" authorityName="Pena Cantero, Svoboda and Vervoort" authorityYear="1997" box="[406,1175,1190,1215]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="44" pageNumber="2696" phylum="Cnidaria" rank="species" species="nonscripta">
<emphasis id="B920EAE771510916FE54FB01FD59BA8F" bold="true" box="[406,663,1190,1215]" italics="true" pageId="44" pageNumber="2696">Staurotheca nonscripta</emphasis>
Peña Cantero, Svoboda and Vervoort, 1997
</taxonomicName>
</heading>
</paragraph>
<paragraph id="8BEB36F571510916FD1EFB60FC9FBAEF" blockId="44.[313,1268,1223,1358]" box="[732,849,1223,1247]" pageId="44" pageNumber="2696">(figure 13)</paragraph>
</subSubSection>
<subSubSection id="C34E657E71510916FEFBFB4FFE7DBB03" pageId="44" pageNumber="2696" type="reference_group">
<paragraph id="8BEB36F571510916FEFBFB4FFBAABACE" blockId="44.[313,1268,1223,1358]" box="[313,1124,1256,1278]" pageId="44" pageNumber="2696">
<taxonomicName id="4C544D7671510916FEFBFB4FFC58BACE" authority="Pena Cantero et al., 1997: 360 - 362" authorityName="Pena Cantero" authorityPageNumber="360 - 362" authorityYear="1997" box="[313,918,1256,1278]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="44" pageNumber="2696" phylum="Cnidaria" rank="species" species="nonscripta">
<emphasis id="B920EAE771510916FEFBFB4FFDEEBACE" box="[313,544,1256,1278]" italics="true" pageId="44" pageNumber="2696">Staurotheca nonscripta</emphasis>
Peña Cantero
<emphasis id="B920EAE771510916FD7FFB4EFD27BACD" box="[701,745,1256,1278]" italics="true" pageId="44" pageNumber="2696">et al</emphasis>
., 1997: 360–362
</taxonomicName>
, figure 7; 1999: 160.
</paragraph>
<paragraph id="8BEB36F571510916FEFBFAA4FE7DBB03" blockId="44.[313,1268,1223,1358]" pageId="44" pageNumber="2696">
?
<taxonomicName id="4C544D7671510916FE8EFAA4FD53BB28" authority=": Naumov" authorityName="Naumov" box="[332,669,1283,1305]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="44" pageNumber="2696" phylum="Cnidaria" rank="species" species="antarctica">
<emphasis id="B920EAE771510916FE8EFAA4FDFCBB29" box="[332,562,1283,1305]" italics="true" pageId="44" pageNumber="2696">Staurotheca antarctica</emphasis>
: Naumov
</taxonomicName>
and Stepan’yants, 1962: 90; Vervoort, 1972: 198, figures 67, 68b.
</paragraph>
</subSubSection>
<subSubSection id="C34E657E71510914FEFBFA9FFE1CBA5A" lastPageId="46" lastPageNumber="2698" pageId="44" pageNumber="2696" type="description">
<paragraph id="8BEB36F571510916FEFBFA9FFC7FBB7E" blockId="44.[313,1268,1223,1358]" box="[313,945,1336,1358]" pageId="44" pageNumber="2696">
?
<taxonomicName id="4C544D7671510916FE88FA9FFDFFBB7D" authorityName=": Jaderholm" authorityYear="1905" box="[330,561,1336,1357]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="44" pageNumber="2696" phylum="Cnidaria" rank="species" species="dichotoma">
<emphasis id="B920EAE771510916FE88FA9FFDFFBB7D" box="[330,561,1336,1357]" italics="true" pageId="44" pageNumber="2696">Staurotheca dichotoma</emphasis>
</taxonomicName>
p.p. Totton, 1930: 178, figure 27a, c.
</paragraph>
<paragraph id="8BEB36F571510916FEA3FAD6FB79B8F8" blockId="44.[313,1268,1392,1736]" pageId="44" pageNumber="2696">
<emphasis id="B920EAE771510916FEA3FAD6FDBABBB9" box="[353,628,1393,1417]" italics="true" pageId="44" pageNumber="2696">Material examined. 27</emphasis>
/
<emphasis id="B920EAE771510916FDBEFAD6FD7FBBB9" box="[636,689,1393,1417]" italics="true" pageId="44" pageNumber="2696">1877</emphasis>
, a mass of branches
<emphasis id="B920EAE771510916FC70FAD5FC05BBB9" box="[946,971,1394,1417]" italics="true" pageId="44" pageNumber="2696">ca</emphasis>
<quantity id="4CAC9B1071510916FC14FAD6FBEFBBB8" box="[982,1057,1393,1417]" metricMagnitude="-2" metricUnit="m" metricValue="9.0" pageId="44" pageNumber="2696" unit="mm" value="90.0">90 mm</quantity>
in diameter, with male and female gonothecae (USNM 1003253; RMNH-Coel. 30311; MNCN 2.03/289);
<emphasis id="B920EAE771510916FE71FA16FE00BBF9" box="[435,462,1457,1481]" italics="true" pageId="44" pageNumber="2696">27</emphasis>
/
<emphasis id="B920EAE771510916FE15FA16FDC2BBF9" box="[471,524,1457,1481]" italics="true" pageId="44" pageNumber="2696">1885</emphasis>
, a mass of branches
<emphasis id="B920EAE771510916FD38FA16FCDDBBF8" box="[762,787,1457,1480]" italics="true" pageId="44" pageNumber="2696">ca</emphasis>
<quantity id="4CAC9B1071510916FCD9FA16FCA8BBF8" box="[795,870,1457,1481]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="44" pageNumber="2696" unit="mm" value="30.0">30 mm</quantity>
in diameter, with male gonothecae (USNM 1003254);
<emphasis id="B920EAE771510916FDDEFA76FDF9BBD9" box="[540,567,1489,1513]" italics="true" pageId="44" pageNumber="2696">32</emphasis>
/
<emphasis id="B920EAE771510916FD82FA77FDBBBBD8" box="[576,629,1488,1512]" italics="true" pageId="44" pageNumber="2696">2068</emphasis>
, a mass of stems
<emphasis id="B920EAE771510916FC84FA76FC91BBD8" box="[838,863,1489,1512]" italics="true" pageId="44" pageNumber="2696">ca</emphasis>
<quantity id="4CAC9B1071510916FCAAFA76FC7DBBD8" box="[872,947,1489,1513]" metricMagnitude="-2" metricUnit="m" metricValue="7.0" pageId="44" pageNumber="2696" unit="mm" value="70.0">70 mm</quantity>
in diameter, with male and female gonothecae (USNM 1003255; RMNH-Coel. 30312; MNCN 2.03/290);
<emphasis id="B920EAE771510916FEFBF9B7FE9AB818" box="[313,340,1552,1576]" italics="true" pageId="44" pageNumber="2696">32</emphasis>
/
<emphasis id="B920EAE771510916FE9EF9B7FE5FB818" box="[348,401,1552,1576]" italics="true" pageId="44" pageNumber="2696">2080</emphasis>
, four fragments up to
<quantity id="4CAC9B1071510916FD60F9B7FD23B818" box="[674,749,1552,1576]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="44" pageNumber="2696" unit="mm" value="10.0">10 mm</quantity>
long (USNM 1003256);
<emphasis id="B920EAE771510916FBDBF9B7FBFAB818" box="[1049,1076,1552,1576]" italics="true" pageId="44" pageNumber="2696">32</emphasis>
/
<emphasis id="B920EAE771510916FBFEF9B7FBBFB818" box="[1084,1137,1552,1576]" italics="true" pageId="44" pageNumber="2696">2125</emphasis>
, a mass of stems
<emphasis id="B920EAE771510916FE41F996FE52B878" box="[387,412,1585,1608]" italics="true" pageId="44" pageNumber="2696">ca</emphasis>
<quantity id="4CAC9B1071510916FE6AF997FE3DB878" box="[424,499,1584,1608]" metricMagnitude="-2" metricUnit="m" metricValue="4.0" pageId="44" pageNumber="2696" unit="mm" value="40.0">40 mm</quantity>
in diameter, with female gonothecae (USNM 1003257; RMNH- Coel. 30313);
<emphasis id="B920EAE771510916FE1CF9F7FDC8B858" box="[478,518,1616,1640]" italics="true" pageId="44" pageNumber="2696">693</emphasis>
/
<emphasis id="B920EAE771510916FDCCF9F7FDBAB858" box="[526,628,1616,1640]" italics="true" pageId="44" pageNumber="2696">NONE 2</emphasis>
, one fragment
<emphasis id="B920EAE771510916FCEAF9F6FC8FB858" box="[808,833,1617,1640]" italics="true" pageId="44" pageNumber="2696">ca</emphasis>
<quantity id="4CAC9B1071510916FC89F9F7FC47B857" box="[843,905,1616,1640]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" pageId="44" pageNumber="2696" unit="mm" value="4.0">4 mm</quantity>
long (USNM 1003258);
<emphasis id="B920EAE771510916FB70F9F7FE88B8B8" italics="true" pageId="44" pageNumber="2696">EAD- 3</emphasis>
, a mass of branches
<emphasis id="B920EAE771510916FDF2F9D6FD87B8B8" box="[560,585,1649,1672]" italics="true" pageId="44" pageNumber="2696">ca</emphasis>
<quantity id="4CAC9B1071510916FD8DF9D7FD54B8B7" box="[591,666,1648,1672]" metricMagnitude="-2" metricUnit="m" metricValue="7.0" pageId="44" pageNumber="2696" unit="mm" value="70.0">70 mm</quantity>
in diameter (USNM 1003259; RMNH-Coel. 30314);
<emphasis id="B920EAE771510916FEFBF937FE58B898" box="[313,406,1680,1704]" italics="true" pageId="44" pageNumber="2696">GLD-12</emphasis>
, one fragment
<emphasis id="B920EAE771510916FD80F936FD95B898" box="[578,603,1681,1704]" italics="true" pageId="44" pageNumber="2696">ca</emphasis>
<quantity id="4CAC9B1071510916FDA0F937FD63B897" box="[610,685,1680,1704]" metricMagnitude="-2" metricUnit="m" metricValue="1.1" pageId="44" pageNumber="2696" unit="mm" value="11.0">11 mm</quantity>
long (USNM 1003260);
<emphasis id="B920EAE771510916FC09F937FBE6B898" box="[971,1064,1680,1704]" italics="true" pageId="44" pageNumber="2696">GLD-13</emphasis>
, a mass
<emphasis id="B920EAE771510916FB4BF936FB6CB898" box="[1161,1186,1681,1704]" italics="true" pageId="44" pageNumber="2696">ca</emphasis>
<quantity id="4CAC9B1071510916FB6BF928FB3AB897" box="[1193,1268,1679,1704]" metricMagnitude="-2" metricUnit="m" metricValue="5.0" pageId="44" pageNumber="2696" unit="mm" value="50.0">50 mm</quantity>
in diameter, with female gonothecae (USNM 1003261; RMNH-Coel. 30315).
</paragraph>
<caption id="DF2B667D71500917FEFBFA17FBEFBBCA" pageId="45" pageNumber="2697" startId="45.[313,329,1456,1477]" targetBox="[379,1203,179,1429]" targetPageId="45">
<paragraph id="8BEB36F571500917FEFBFA17FBEFBBCA" blockId="45.[313,1268,1455,1530]" pageId="45" pageNumber="2697">
F. 13.
<taxonomicName id="4C544D7671500917FE5DFA08FB52BBF4" authority="Pena Cantero, Svoboda and Vervoort, 1997" authorityName="Pena Cantero, Svoboda and Vervoort" authorityYear="1997" box="[415,1180,1455,1477]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="45" pageNumber="2697" phylum="Cnidaria" rank="species" species="nonscripta">
<emphasis id="B920EAE771500917FE5DFA08FD5EBBF5" box="[415,656,1455,1477]" italics="true" pageId="45" pageNumber="2697">Staurotheca nonscripta</emphasis>
Peña Cantero, Svoboda and Vervoort, 1997
</taxonomicName>
. (A–D) Hydrothecae; (E) female gonotheca; (F) male gonotheca. (A, C–E: Stn 32/2125; B, F: Stn 32/2068.) Scale bar: 900 Mm (E), 600 Mm (F), 400 Mm (A–D).
</paragraph>
</caption>
<paragraph id="8BEB36F571500917FEA3F996FBE3B898" blockId="45.[313,1268,1584,1736]" pageId="45" pageNumber="2697">
<emphasis id="B920EAE771500917FEA3F996FE2EB878" box="[353,480,1585,1608]" italics="true" pageId="45" pageNumber="2697">Description</emphasis>
. Monosiphonic colonies composed of a mass of branches and stems, irregularly branched in several planes and with anastomoses, up to
<quantity id="4CAC9B1071500917FB91F9F7FB50B857" box="[1107,1182,1616,1640]" metricMagnitude="-2" metricUnit="m" metricValue="9.0" pageId="45" pageNumber="2697" unit="mm" value="90.0">90 mm</quantity>
in diameter, with the appearance of closely knitted net. Hydrothecae arranged in decussate pairs forming four longitudinal rows of hydrothecae (figure 13A).
</paragraph>
<paragraph id="8BEB36F571500914FEA3F917FDB4BF7D" blockId="45.[313,1268,1584,1736]" lastBlockId="46.[313,1269,181,1130]" lastPageId="46" lastPageNumber="2698" pageId="45" pageNumber="2697">
Hydrothecae immersed into the branches for approximately one-quarter of their volume and strongly curving outwards (figure 13A–D). Adcauline hydrothecal wall with a considerable free portion, adnate to internode for
<emphasis id="B920EAE771530914FC0BFF71FC2CBEDD" box="[969,994,214,237]" italics="true" pageId="46" pageNumber="2698">ca</emphasis>
half or slightly more of its length. Free part of adcauline wall straight or slightly convex; abcauline wall concave. Hydrothecal aperture circular and tilted downwards; rim even and usually with numerous renovations.
</paragraph>
<paragraph id="8BEB36F571530914FEA3FEF3FC87BFDC" blockId="46.[313,1269,181,1130]" pageId="46" pageNumber="2698">Female and male gonothecae present, both inserting individually at hydrothecal base. Female gonotheca urn-shaped (figure 13E); basal part ovoid, widening distally, apex contracted into a short neck bearing the aperture. Male gonotheca fusiform (figure 13F), with a distal, cone-shaped neck provided with a small, circular aperture. Gonothecae with a few striae at base of neck.</paragraph>
<paragraph id="8BEB36F571530914FEA3FE53FD81BC5B" blockId="46.[313,1269,181,1130]" pageId="46" pageNumber="2698">
<emphasis id="B920EAE771530914FEA3FE53FE0ABC3C" box="[353,452,500,524]" italics="true" pageId="46" pageNumber="2698">Remarks</emphasis>
.
<taxonomicName id="4C544D7671530914FE27FE53FD26BC3C" authorityName="Pena Cantero, Svoboda and Vervoort" authorityYear="1997" box="[485,744,500,524]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="46" pageNumber="2698" phylum="Cnidaria" rank="species" species="nonscripta">
<emphasis id="B920EAE771530914FE27FE53FD26BC3C" box="[485,744,500,524]" italics="true" pageId="46" pageNumber="2698">Staurotheca nonscripta</emphasis>
</taxonomicName>
is characterized by the long free portion of the adcauline hydrothecal wall, resembling
<taxonomicName id="4C544D7671530914FCF4FDB3FC06BC1B" box="[822,968,532,555]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="46" pageNumber="2698" phylum="Cnidaria" rank="species" species="antarctica">
<emphasis id="B920EAE771530914FCF4FDB3FC06BC1B" box="[822,968,532,555]" italics="true" pageId="46" pageNumber="2698">S. antarctica</emphasis>
</taxonomicName>
in this character, though the hydrothecae of
<taxonomicName id="4C544D7671530914FDD5FD93FD67BC7B" authorityName="Pena Cantero, Svoboda and Vervoort" authorityYear="1997" box="[535,681,564,587]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="46" pageNumber="2698" phylum="Cnidaria" rank="species" species="nonscripta">
<emphasis id="B920EAE771530914FDD5FD93FD67BC7B" box="[535,681,564,587]" italics="true" pageId="46" pageNumber="2698">S. nonscripta</emphasis>
</taxonomicName>
are much larger. Moreover, the female gonothecae are completely different.
</paragraph>
<paragraph id="8BEB36F571530914FEA3FDD4FD8CBCDB" blockId="46.[313,1269,181,1130]" pageId="46" pageNumber="2698">
The hydrothecae of
<taxonomicName id="4C544D7671530914FD8BFDD3FD14BCBB" authorityName="Pena Cantero, Svoboda and Vervoort" authorityYear="1997" box="[585,730,628,651]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="46" pageNumber="2698" phylum="Cnidaria" rank="species" species="nonscripta">
<emphasis id="B920EAE771530914FD8BFDD3FD14BCBB" box="[585,730,628,651]" italics="true" pageId="46" pageNumber="2698">S. nonscripta</emphasis>
</taxonomicName>
also resemble those present in the glomulus of
<taxonomicName id="4C544D7671530914FEFBFD33FE09BC9B" authorityName="Pena Cantero, Svoboda and Vervoort" authorityYear="1997" box="[313,455,659,683]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="46" pageNumber="2698" phylum="Cnidaria" rank="species" species="glomulosa">
<emphasis id="B920EAE771530914FEFBFD33FE09BC9B" box="[313,455,659,683]" italics="true" pageId="46" pageNumber="2698">S. glomulosa</emphasis>
</taxonomicName>
, but the remaining hydrothecae of
<taxonomicName id="4C544D7671530914FC9FFD33FC25BC9B" authorityName="Pena Cantero, Svoboda and Vervoort" authorityYear="1997" box="[861,1003,659,683]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="46" pageNumber="2698" phylum="Cnidaria" rank="species" species="glomulosa">
<emphasis id="B920EAE771530914FC9FFD33FC25BC9B" box="[861,1003,659,683]" italics="true" pageId="46" pageNumber="2698">S. glomulosa</emphasis>
</taxonomicName>
are clearly distinguishable from those of
<taxonomicName id="4C544D7671530914FDD1FD13FD6ABCFB" authorityName="Pena Cantero, Svoboda and Vervoort" authorityYear="1997" box="[531,676,692,715]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="46" pageNumber="2698" phylum="Cnidaria" rank="species" species="nonscripta">
<emphasis id="B920EAE771530914FDD1FD13FD6ABCFB" box="[531,676,692,715]" italics="true" pageId="46" pageNumber="2698">S. nonscripta</emphasis>
</taxonomicName>
as their free adcauline wall is much shorter and the hydrothecae are larger.
</paragraph>
<paragraph id="8BEB36F571530914FEA3FD54FC5FBD9A" blockId="46.[313,1269,181,1130]" pageId="46" pageNumber="2698">
<emphasis id="B920EAE771530914FEA3FD54FDBABD3B" box="[353,628,755,779]" italics="true" pageId="46" pageNumber="2698">Ecology and distribution</emphasis>
.
<taxonomicName id="4C544D7671530914FD57FD54FC58BD3B" authorityName="Pena Cantero, Svoboda and Vervoort" authorityYear="1997" box="[661,918,755,779]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="46" pageNumber="2698" phylum="Cnidaria" rank="species" species="nonscripta">
<emphasis id="B920EAE771530914FD57FD54FC58BD3B" box="[661,918,755,779]" italics="true" pageId="46" pageNumber="2698">Staurotheca nonscripta</emphasis>
</taxonomicName>
is a shelf species. It had been found at depths from
<quantity id="4CAC9B1071530914FDF9FCB4FD1EBD1A" box="[571,720,787,811]" metricMagnitude="2" metricUnit="m" metricValue="4.2299999999999995" metricValueMax="6.4" metricValueMin="2.06" pageId="46" pageNumber="2698" unit="m" value="423.0" valueMax="640.0" valueMin="206.0">206 to 640 m</quantity>
on stony bottoms (Peña Cantero
<emphasis id="B920EAE771530914FBA3FCB3FB55BD1B" box="[1121,1179,787,811]" italics="true" pageId="46" pageNumber="2698">et al.</emphasis>
, 1997). Our material comes from
<quantity id="4CAC9B1071530914FD9DFC95FD00BD7A" box="[607,718,818,843]" metricMagnitude="2" metricUnit="m" metricValue="2.895" metricValueMax="5.64" metricValueMin="0.15" pageId="46" pageNumber="2698" unit="m" value="289.5" valueMax="564.0" valueMin="15.0">
15–
<specimenCount id="9D52FD7C71530914FD44FC95FD00BD7A" box="[646,718,818,843]" pageId="46" pageNumber="2698" type="generic">564 m</specimenCount>
</quantity>
. It may provide a substratum for other hydroids (
<taxonomicName id="4C544D7671530914FE82FCF4FE16BD5A" box="[320,472,851,875]" class="Hydrozoa" family="Haleciidae" genus="Halecium" kingdom="Animalia" order="Leptothecata" pageId="46" pageNumber="2698" phylum="Cnidaria" rank="species" species="undetermined">
<emphasis id="B920EAE771530914FE82FCF4FE64BD5B" box="[320,426,851,875]" italics="true" pageId="46" pageNumber="2698">Halecium</emphasis>
sp.
</taxonomicName>
,
<taxonomicName id="4C544D7671530914FE2AFCF4FDA7BD5A" box="[488,617,851,875]" class="Hydrozoa" family="Hebellidae" genus="Hebella" kingdom="Animalia" order="Leptothecata" pageId="46" pageNumber="2698" phylum="Cnidaria" rank="species" species="undetermined">
<emphasis id="B920EAE771530914FE2AFCF4FDF0BD5B" box="[488,574,851,875]" italics="true" pageId="46" pageNumber="2698">Hebella</emphasis>
sp.
</taxonomicName>
and
<taxonomicName id="4C544D7671530914FD6BFCF4FC6EBD5B" box="[681,928,851,875]" class="Hydrozoa" family="Symplectoscyphidae" genus="Symplectoscyphus" kingdom="Animalia" order="Leptothecata" pageId="46" pageNumber="2698" phylum="Cnidaria" rank="species" species="undetermined">
<emphasis id="B920EAE771530914FD6BFCF4FCBCBD5B" box="[681,882,851,875]" italics="true" pageId="46" pageNumber="2698">Symplectoscyphus</emphasis>
sp.
</taxonomicName>
). Peña Cantero
<emphasis id="B920EAE771530914FBA1FCF4FB50BD5B" box="[1123,1182,851,875]" italics="true" pageId="46" pageNumber="2698">et al.</emphasis>
(1997) found fertile colonies in February, whereas in our material colonies with gonothecae were collected in January, February and November.
</paragraph>
<paragraph id="8BEB36F571530914FEA3FC15FE1CBA5A" blockId="46.[313,1269,181,1130]" pageId="46" pageNumber="2698">
<taxonomicName id="4C544D7671530914FEA3FC15FDADBDFA" authorityName="Pena Cantero, Svoboda and Vervoort" authorityYear="1997" box="[353,611,946,970]" class="Hydrozoa" family="Sertulariidae" genus="Staurotheca" kingdom="Animalia" order="Leptothecata" pageId="46" pageNumber="2698" phylum="Cnidaria" rank="species" species="nonscripta">
<emphasis id="B920EAE771530914FEA3FC15FDADBDFA" box="[353,611,946,970]" italics="true" pageId="46" pageNumber="2698">Staurotheca nonscripta</emphasis>
</taxonomicName>
<materialsCitation id="3B3C3CA871530914FDADFC14FE03BA5A" county="Elephant Island" location="Roosevelt Island" municipality="Coulman Island" pageId="46" pageNumber="2698" specimenCount="1" stateProvince="Tierra del Fuego - Antartida e Islas del Atlantico Sur">
seems to have an Antarctic–Patagonian distribution. It has been recorded along the south and east coasts of the Weddell Sea and off
<collectingCounty id="628A4E7971530914FEFBFC55FE3FBA3A" box="[313,497,1010,1034]" pageId="46" pageNumber="2698">Elephant Island</collectingCounty>
(Peña Cantero
<emphasis id="B920EAE771530914FD71FC54FD21BA3A" box="[691,751,1010,1034]" italics="true" pageId="46" pageNumber="2698">et al.</emphasis>
, 1997). Our material comes from off Cabo Penas (
<collectingRegion id="4990F81771530914FE53FBB5FD96BA1A" box="[401,600,1042,1066]" country="Argentina" name="Tierra del Fuego - Antartida e Islas del Atlantico Sur" pageId="46" pageNumber="2698">Tierra del Fuego</collectingRegion>
) and the Ross Sea (off Cape Hallett, south of
<collectingMunicipality id="6B8FAC8F71530914FB49FBB5FE4CBA7A" pageId="46" pageNumber="2698">Coulman Island</collectingMunicipality>
, north-west of
<location id="8E8B602E71530914FD81FB95FCC2BA7A" LSID="urn:lsid:plazi:treatment:03FD87E371510914FE54FB01FE1CBA5A:8E8B602E71530914FD81FB95FCC2BA7A" box="[579,780,1074,1098]" county="Elephant Island" municipality="Coulman Island" name="Roosevelt Island" pageId="46" pageNumber="2698" stateProvince="Tierra del Fuego - Antartida e Islas del Atlantico Sur">Roosevelt Island</location>
, Cape Adare, the central basin and off Scott Coast)
</materialsCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>
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